Naked Motorcycles
2020Keeway RKS 125 E4
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The 2020 Keeway RKS 125 E4 is a learner-legal naked bike from Keeway, part of China's Qianjiang group. Its air-cooled 125cc single makes 11.4 hp at 9,000 rpm and 9.2 Nm through a five-speed gearbox. A 760 mm seat and a 16-litre tank make it an affordable commuter.
- Capacity
- 125.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 132.0 kg
- Seat height
- 760 mm
- Power
- 11.4 HP (8.3 kW) @ 9000 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed as an affordable, sporty-styled commuter for city streets rather than a genuine performance machine.
- Built for
- Feels like a nimble, entry-level sportbike with playful low-speed handling but limited outright grunt.
- Not ideal for
- Not a good fit for experienced riders seeking real highway speed, long-distance touring comfort, or any off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 125.0 ccm
- Power
- 11.4 HP (8.3 kW) @ 9000 RPM
- Torque
- 9.2 Nm (0.9 kgf-m) @ 7500 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.0864 HP/kg (dry)
- Bore x stroke
- 57.0 x 48.8 mm
- Compression
- 10.6:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric
- Ignition
- TLI
- Valves per cylinder
- 2
- Lubrication system
- Wet sump
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Clutch
- Wet, multiple-plate
Dimensions & weight
- Wheelbase
- 1290 mm
- Overall length
- 2035 mm
- Overall width
- 760 mm
- Overall height
- 1065 mm
- Seat height
- 760 mm
- Dry weight
- 132.0 kg
- Fuel capacity
- 16.00 litres
- Ground clearance
- 185 mm
Chassis & suspension
- Frame
- Arch bar truck
- Front suspension
- Telescopic forks
- Rear suspension
- Telescopic coil spring oil damped
- Front wheel travel
- 110 mm
- Rear wheel travel
- 66 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 230 mm
- Rear brakes
- Single disc
- Front tyre
- 90/90-17
- Rear tyre
- 110/80-17
Other
- Color options
- Grey, White
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2019 | 2020 | 2021 |
|---|---|---|---|
| Capacity | 125 cc | 125 cc | 124 cc |
| Dry weight | 132 kg | 132 kg | 132 kg |
| Seat height | 760 mm | 760 mm | 760 mm |
| Fuel capacity | 16 L | 16 L | 16 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Keeway RKS 125 E4?
The 2020 Keeway RKS 125 E4 has a Capacity of 125.0 ccm (7.63 cubic inches).
What engine power does the Keeway RKS 125 E4 have?
The 2020 Keeway RKS 125 E4 has a Power of 11.4 HP (8.3 kW) @ 9000 RPM.
How many gears does the Keeway RKS 125 E4 have?
The 2020 Keeway RKS 125 E4 has a Gearbox of 5-speed.
What is the torque of the Keeway RKS 125 E4?
The 2020 Keeway RKS 125 E4 has a Torque of 9.2 Nm (0.9 kgf-m or 6.8 ft.lbs) @ 7500 RPM.
How much does the Keeway RKS 125 E4 weigh?
The 2020 Keeway RKS 125 E4 has a Dry weight of 132.0 kg (291.0 pounds).
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